Rewinder for motion-picture apparatus.



J. F. GILMORE.

REWINDER FOR MOTION PICTURE APPARATUS.

APPLICATION FILED NOV. 11, I913- 1,249,376. Patented Dec. 11, 1917.

3 SHEETS-SHEET 1.

- M I MAW J. F. GILMORE.

REWINDER FOR MOTION PICTUREIAPPARATUS.

APPLICATION FILED NOV. 11,1913- Patented Dec. 11, 191?- 3 SHEETSSHEET' 2.

J. F. GILMORE.

REWINDER FOR MOTION PICTURE APPARATUS.

APPLICATION FILED NOV. 11,1913.

1,249,376. Patented Dec. 11, 191?- HEETS-SHEET 3.

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JOHN F. GILMORE, OF NEW YORK, N. Y.

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. Specification of Letters Patent.

Patented Dec. 11, 1917.

Application filed November 11, 1913. Serial No. 800,246.

To all whom it may concern:

Be it known that I, JOHN F. GI MORE, a citizen of the United States, residing at New York city, in the county arid State of New York, have invented certain new and useful Improvements in Rewinders for Motion-Picture Apparatus, of which the following is a clear, full, and exact description.

motion icture apparatus.

The 0 ject of the invention is to provide a pair of reels which will rewind an exhibited film during the exhibiting of another film by the same machine.

In carrying out the invention, I provide a pair of reel shafts on two extensions at an angle to each other. The extensions have a common central axis on which they may both turn so as to bring each reel shaft into position to engage either a friction retarding mechanism or a driving" mechanism and at the same time, due to the angles of the extensions, bring one reel into such position that an extended film from one of the reels will be in direct line with the optical axis,

while the other, the one being rewound, will occupy a position to the side and out of the way of such optical axis.

The scope of my invention will be pointed out in the claims.

In the accompanying drawings:

Figure 1 is a side elevation partly in section of the upper mounting.

Fig. 2 is a side elevation of the lower mounting.

Fig. 3 is a sectional view on line 3-3, Fig. 1. r

Fig. 4 is a sectional view on line 1-4, Fig. 2. p

Fig. 5 is a sectional view on line 5-5, Fig. 2.

Fig. 6 is a sectional view on line 66,

' shown on the drawings the o tical axis of the kinetoscope is on line A,

.Figs. 3 and 4, and on line B-B, Fig. 1.

Above the optical axis there is placed a frame 1 having a boss 2 in which a shaft 3 is located carrying a pair of extensions 4 and 5-at an angle to each other.

Each extension carries a shaft 6 for a reel 7 and a gear 8 fast to such shaft. A handle 9 one. lug 1O integral with the extensions 4 and 5 serves to hold either reel in the position shown in Fig. 3.

This invention relates to a rewinder for In the frame 1 adjacent to the gear 8 of the exhibiting reel I locate a friction retarding disk 11 hearing directly on the side of the gear.

In the frame 1 adjacent to the gear 8 of the rewinding reel I locate a gear 12 to I engage and positively drive the rewinding reel.

The driving gear 12 is rotated by pins 13 The disk 14 is rotated by a gear 15 through their common shaft 16. The pins13 pass through the diskl i being fastened in a slidable disk 17 freely rotating on a boss .20. Arms 21 secured to a bell crank lever 22 serve to slide the disk 14 while a spring 32 and 33 extending from ,the upper to the lower frame.

from a disk 15'on theshaft' of the gear 12.

serves to normally hold the pins 13 out bf When no film passes between the roller the spring holds the rewinding reel unclutched but when the filmis passing unbroken between the rollers it overcomes the v spring and holds the reel clutched so-long as the film does not break or until it is un-' of Fig. 3 in the upper frame for the exhibiting reel.

However, I drive the exhibiting reel shaft on the lower frame continuously by a gear 14; on a shaft 4.5 itself driven by a sprocket 46 from any. suitable partof the kinetoscope.

for the film and also the film guide extends tothis lower frame.

Apertures and guide rollers are provided In the lower frame the reels are slid onto a barrel 50 having a flanged drum 51 at one end. A driving gear 52 on shaft 58, carries a drum 5'1 within the drum 51 substantially as shown in my pending application, Serial Number 760,166 filed July 11, 1913.

A clutch 54 serves to hold the reel in place. Hence friction prevents the positive motion of the reel on which the exhibiting film is being wound as well as on the other.

It is thought that the operation and ad- .vantages of this invention will be obvious in view of this description and drawings the scope thereof, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted in an illustrative and not in a limiting sense.

It is furthermore desired to be understood that the language used in the following claims is intended to cover all the generic and specific features of the scope of the invention which as a matter of language might be said to fall therebetween.

I claim as my invention:

1. In a rewinder for motion picture apparatus, a pair of reels above the optical axis and a pair below, a. single mounting for each pair of reels so shaped and mounted that the film extending from only one reel at a time will be in line with the optical axis, said mounting having a rotatable shaft and extensions at an angle to each other and a reel shaft in each extension.

2. In a rewinder for motion picture apparatus, a pair of reels above the optical axis and a pair below, a single mounting for each pair of reels so shaped and mounted that the film extending from only one reel at a time will be in line with the optical axis, said mounting having a rotatable shaft and extensions at an angle to each other a reel shaft in each extension, and driving mechanism for one reel of each pair and friction retarding mechanism for the other reel.

3. In a rewinder for motion picture apparatus, a pair of reels above the optical axis and a pair below, a single mounting for each pair of reels so shaped andmounted that the film extending from only one reel at a time will be in line with the optical axis, said mounting having a rotatable shaft and extensions at an angle to each other a reel shaft in each extension, and driving mechanism for one reel of each pair and friction retarding mechanism for the other reel, and coupling devices for connecting each reel shaft alternately on its change of position with the driving mechanism and retarding mechanism.

Signed at New York city this seventh day of November, 1913.

JOHN F. GILMORE.

Witnesses:

ROBERT RICHTER, MABE Drr'rnnnonrnn. 

